Hair by Sleek Delight 5pcs Clip In 18'' Synthetic Hair This hair is made from 100% flippable 101 fiber. It features 5 clip in extensions in a stunning sleek curl style. The texture is silky and soft like human hair and can be styled with heat up to 200°C. With its beautiful, trendy curls, this clip-in extension will add volume and length and transform you into a glamorous look in a second.